The 3-Year old flotation Manikin was designed, developed and manufactured under funding from the USCG. It was tested under static conditions in the water tank in our facility. It was tested dynamically at the David Taylor Naval Basin in Carderock, MD.
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The Manikin was developed to test flotation devices under calm and rough water conditions. The Manikin was developed to test flotation devices under calm and rough water conditions. Turning tests were conducted in the test tank at GESAC, as were tests to measure hydrodynamic drag coefficients of various dummy segments. Drag Coefficients were used in the 3-D simulation model that was also developed as a part of the project. Some technical details are provided below.
The manikin has a rotary potentiometer at each joint, 5 pressure sensors on the chest at various heights, and a positional gyro in the chest for a total of 28 channels. An on-board dummy DAS powered by on-board battery is used to acquire and store data from all data channels. The DAS can store data sampled at 100Hz from all channels for 1 hour. PC based software supplied with the dummy allows download of test data after completion of test through a RS-232 port.
The DAS, all connectors and sensors are watertight. AVI on the left panel shows turn test conducted on the manikin.